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	<title>Document</title>
	<script>
		

		function run(num1,num2) {
			num3 = num1+num2;
			return num3;
		}


		res = run(456,34);

		// alert(res);


		// res = confirm('你确实要删除？')

		// alert(res)


		function is_ou(num) {
			if(num%2==0){
				return true;
			}else{
				return false;
			}
		}

		res = is_ou(45767);

		alert(res)


		function xbs(num) {
			cn = 0;

			for (var i = 1; i <=num; i++) {
				if(i%2==1){
					cn +=i;
				}
				
			}

			return cn;
		}

		res = xbs(10);

		document.write(res);


	</script>
</head>
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